<!DOCTYPE html>
<html lang="zh">

<head>
    <title></title>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <script src="https://unpkg.com/vue/dist/vue.js"></script>
    <link rel="stylesheet" href="//www.w3schools.com/lib/w3.css">
<body>
<div class="w3-container w3-green">
    <p>页头部分：小马视频频道</p>
</div>

<h1>Helo W3.css world!</h1>
<h2>Helo W3.css world!</h2>
<h3>Helo W3.css world!</h3>
<h4>Helo W3.css world!</h4>
<h5>Helo W3.css world!</h5>
<h6>Helo W3.css world!</h6>

<div class="w3-container w3-light-gray">
    <p>页脚部分：小马视频频道</p>
</div>
</body>

</html>